1 // SPDX-License-Identifier: GPL-2.0+
12 static int dm_test_cros_ec_pwm(struct unit_test_state *uts)
18 ut_assertok(uclass_get_device_by_name(UCLASS_PWM, "cros-ec-pwm", &pwm));
19 ut_assertnonnull(pwm);
20 ec = dev_get_parent(pwm);
23 ut_assertok(pwm_set_config(pwm, 0, 100, 50));
24 ut_assertok(pwm_set_enable(pwm, 0, true));
25 ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 0, &duty));
26 ut_asserteq(50 * EC_PWM_MAX_DUTY / 100, duty);
28 ut_assertok(pwm_set_config(pwm, 0, 15721, 2719));
29 ut_assertok(pwm_set_enable(pwm, 0, true));
30 ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 0, &duty));
31 ut_asserteq(2719 * EC_PWM_MAX_DUTY / 15721, duty);
33 ut_assertok(pwm_set_enable(pwm, 0, false));
34 ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 0, &duty));
37 ut_assertok(pwm_set_enable(pwm, 0, true));
38 ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 0, &duty));
39 ut_asserteq(2719 * EC_PWM_MAX_DUTY / 15721, duty);
41 ut_assertok(pwm_set_config(pwm, 1, 1000, 0));
42 ut_assertok(pwm_set_enable(pwm, 1, true));
43 ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 1, &duty));
46 ut_assertok(pwm_set_config(pwm, 2, 1000, 1024));
47 ut_assertok(pwm_set_enable(pwm, 2, true));
48 ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 2, &duty));
49 ut_asserteq(EC_PWM_MAX_DUTY, duty);
51 ut_assertok(pwm_set_config(pwm, 3, EC_PWM_MAX_DUTY, 0xABCD));
52 ut_assertok(pwm_set_enable(pwm, 3, true));
53 ut_assertok(sandbox_cros_ec_get_pwm_duty(ec, 3, &duty));
54 ut_asserteq(0xABCD, duty);
56 ut_asserteq(-EINVAL, pwm_set_enable(pwm, 4, true));
60 DM_TEST(dm_test_cros_ec_pwm, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);